Finding the Fourth Proportional to 178.63, 267.97 and 68.92
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Solution
The fourth proportional to 178.63, 267.97 and 68.92 is: 103.38
Step by Step Solution
- Step 1: Write the proportion equation
178.63 : 267.97 = 68.92 : x - Step 2: Convert to fraction form
178.63/267.97 = 68.92/x - Step 3: Cross multiply
178.63x = 267.97 × 68.92 - Step 4: Simplify right side
178.63x = 18,467.65 - Step 5: Solve for x
x = 18,467.65/178.63 - Step 6: Final answer
x = 103.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.